The ornamental design for an acnepatch, as shown and described.
FIG. 1 is a perspective view of a first embodiment of an acne patch;
FIG. 2 is a top plan view of the acne patch of FIG. 1;
FIG. 3 is a bottom plan view of the acne patch of FIG. 1;
FIG. 4 is a side view of the acne patch of FIG. 1; and,
FIG. 5 is a perspective view of the acne patch of FIG. 1 worn on a face of a user.
The broken lines shown in FIG. 3 depict portions of the acne patch that form no part of the claim; the broken lines in FIG. 5 illustrate environment and form no part of the claimed design.